Downloaded 372 times
Uploaded byKRIPA SHNAKAR TIWARI
Engineering materials part 1
Engineering materials is a science focusing on the study of materials, their properties, and uses, categorized into metals and non-metallic materials. Metals can be ferrous (containing iron) or non-ferrous, with various classifications for both types, while non-metallic materials include synthetic and natural forms such as plastics and ceramics. The document provides an overview of material types and their classifications, highlighting their applications and characteristics.
More Related Content
Similar to Engineering materials part 1
Engineering materials part 1
- 1.
- 2. What is engineering materials? •Engineering materials is a branch of science which deals with the study of existing materials, their properties, functions, uses and effects over different compositions and mixtures. It provides the reader a broad knowledge of materials over a wide range.
- 3. Types of materials •Materials are classified as: 1. Metals 2. Non-metallic materials Metals may be Ferrous or non ferrous however non- metallic materials may be synthetic or natural.
- 4. Metals Metals are thematerials which show the properties like hardness, opaque, shiny and has good electrical and thermal conductivity.
- 5. Metals Ferrous materials • Metalsor alloys having high percentage of iron. • These materials are used where high strength is required at relatively low cost. • These materials are basically obtained from pig iron ore which after treatment gives three types of ferrous materials. 1. Steel 2. Cast iron 3. Wrought iron
- 6. Classification of steel Steels Lowcarbon steel Medium carbon steel High carbon steel
- 7. Classification of castiron Cast iron Grey cast iron White cast iron Malleable cast iron High duty cast iron Alloy cast iron
- 8. Non-ferrous materials • Metalsother than iron • They are basically used in alloy form. In pure form, they are used with other materials in order to obtain a certain property like corrosion resistance, ductility, hardness etc. • They are used with other metals in order to improve their strength. • Non-ferrous materials may be metals other than iron or alloys.
- 9. Classification of non-ferrousmetals Metals Aluminum Cadmium Chromium Cobalt Copper Gold Lead Magnesium Manganese nickle Platinum Silver Tin Titanium Tungsten Vanadium Zinc
- 10. Classification of non-ferrousalloys Alloys Brass (Cu and Zn) Tin bronze (Cu and Sn) Phosphor bronze Gun metal Aluminium Bronze (Cu and Al) Cupronickel alloys (Cu and Ni) Aluminium alloys Magnesium alloys Zinc based die casting alloys Tin lead alloys Soft solders Bearing metals
- 11. Non-metallic materials Synthetic materials •These are non-metallic materials that do not exist in nature, although they are manufactured from nature substances like oils, coal etc. They may be in one of the following type: 1. Plastics 2. Ceramics 3. Composites
- 12. Classification of plastics Plastics Thermosetting Epoxides Alkyds Bakelite(phenol formaldehyde) Melamine- formaldehyde Urea formaldehyde Thermoplastic Acrylic PTFE Polythene PVC Nylon Polystyrene
- 13.
- 14. Classification of composites Composites Carbonfibre Concrete Glass reinforced plastic (GRP)
- 15. Natural non-metallic materials •These occur naturally. Some of the natural materials are : 1. Wood 2. Rubber 3. Glass 4. Emery (naturally occurring aluminum oxide ) 5. Ceramic 6. Diamonds 7. Oils 8. Silicon